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1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * wm_adsp.h  --  Wolfson ADSP support
4  *
5  * Copyright 2012 Wolfson Microelectronics plc
6  *
7  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
8  */
9 
10 #ifndef __WM_ADSP_H
11 #define __WM_ADSP_H
12 
13 #include <sound/soc.h>
14 #include <sound/soc-dapm.h>
15 #include <sound/compress_driver.h>
16 
17 #include "wmfw.h"
18 
19 /* Return values for wm_adsp_compr_handle_irq */
20 #define WM_ADSP_COMPR_OK                 0
21 #define WM_ADSP_COMPR_VOICE_TRIGGER      1
22 
23 #define WM_ADSP2_REGION_0 BIT(0)
24 #define WM_ADSP2_REGION_1 BIT(1)
25 #define WM_ADSP2_REGION_2 BIT(2)
26 #define WM_ADSP2_REGION_3 BIT(3)
27 #define WM_ADSP2_REGION_4 BIT(4)
28 #define WM_ADSP2_REGION_5 BIT(5)
29 #define WM_ADSP2_REGION_6 BIT(6)
30 #define WM_ADSP2_REGION_7 BIT(7)
31 #define WM_ADSP2_REGION_8 BIT(8)
32 #define WM_ADSP2_REGION_9 BIT(9)
33 #define WM_ADSP2_REGION_1_9 (WM_ADSP2_REGION_1 | \
34 		WM_ADSP2_REGION_2 | WM_ADSP2_REGION_3 | \
35 		WM_ADSP2_REGION_4 | WM_ADSP2_REGION_5 | \
36 		WM_ADSP2_REGION_6 | WM_ADSP2_REGION_7 | \
37 		WM_ADSP2_REGION_8 | WM_ADSP2_REGION_9)
38 #define WM_ADSP2_REGION_ALL (WM_ADSP2_REGION_0 | WM_ADSP2_REGION_1_9)
39 
40 struct wm_adsp_region {
41 	int type;
42 	unsigned int base;
43 };
44 
45 struct wm_adsp_alg_region {
46 	struct list_head list;
47 	unsigned int alg;
48 	int type;
49 	unsigned int base;
50 };
51 
52 struct wm_adsp_compr;
53 struct wm_adsp_compr_buf;
54 struct wm_adsp_ops;
55 
56 struct wm_adsp {
57 	const char *part;
58 	const char *name;
59 	const char *fwf_name;
60 	int rev;
61 	int num;
62 	int type;
63 	struct device *dev;
64 	struct regmap *regmap;
65 	struct snd_soc_component *component;
66 
67 	struct wm_adsp_ops *ops;
68 
69 	unsigned int base;
70 	unsigned int base_sysinfo;
71 	unsigned int sysclk_reg;
72 	unsigned int sysclk_mask;
73 	unsigned int sysclk_shift;
74 
75 	struct list_head alg_regions;
76 
77 	unsigned int fw_id;
78 	unsigned int fw_id_version;
79 	unsigned int fw_vendor_id;
80 
81 	const struct wm_adsp_region *mem;
82 	int num_mems;
83 
84 	int fw;
85 	int fw_ver;
86 
87 	bool preloaded;
88 	bool booted;
89 	bool running;
90 	bool fatal_error;
91 
92 	struct list_head ctl_list;
93 
94 	struct work_struct boot_work;
95 
96 	struct list_head compr_list;
97 	struct list_head buffer_list;
98 
99 	struct mutex pwr_lock;
100 
101 	unsigned int lock_regions;
102 
103 #ifdef CONFIG_DEBUG_FS
104 	struct dentry *debugfs_root;
105 	char *wmfw_file_name;
106 	char *bin_file_name;
107 #endif
108 
109 };
110 
111 struct wm_adsp_ops {
112 	unsigned int sys_config_size;
113 
114 	bool (*validate_version)(struct wm_adsp *dsp, unsigned int version);
115 	unsigned int (*parse_sizes)(struct wm_adsp *dsp,
116 				    const char * const file,
117 				    unsigned int pos,
118 				    const struct firmware *firmware);
119 	int (*setup_algs)(struct wm_adsp *dsp);
120 	unsigned int (*region_to_reg)(struct wm_adsp_region const *mem,
121 				      unsigned int offset);
122 
123 	void (*show_fw_status)(struct wm_adsp *dsp);
124 	void (*stop_watchdog)(struct wm_adsp *dsp);
125 
126 	int (*enable_memory)(struct wm_adsp *dsp);
127 	void (*disable_memory)(struct wm_adsp *dsp);
128 	int (*lock_memory)(struct wm_adsp *dsp, unsigned int lock_regions);
129 
130 	int (*enable_core)(struct wm_adsp *dsp);
131 	void (*disable_core)(struct wm_adsp *dsp);
132 
133 	int (*start_core)(struct wm_adsp *dsp);
134 	void (*stop_core)(struct wm_adsp *dsp);
135 };
136 
137 #define WM_ADSP1(wname, num) \
138 	SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \
139 		wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD)
140 
141 #define WM_ADSP2_PRELOAD_SWITCH(wname, num) \
142 	SOC_SINGLE_EXT(wname " Preload Switch", SND_SOC_NOPM, num, 1, 0, \
143 		wm_adsp2_preloader_get, wm_adsp2_preloader_put)
144 
145 #define WM_ADSP2(wname, num, event_fn) \
146 	SND_SOC_DAPM_SPK(wname " Preload", NULL), \
147 {	.id = snd_soc_dapm_supply, .name = wname " Preloader", \
148 	.reg = SND_SOC_NOPM, .shift = num, .event = event_fn, \
149 	.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD, \
150 	.subseq = 100, /* Ensure we run after SYSCLK supply widget */ }, \
151 {	.id = snd_soc_dapm_out_drv, .name = wname, \
152 	.reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp_event, \
153 	.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }
154 
155 #define WM_ADSP_FW_CONTROL(dspname, num) \
156 	SOC_ENUM_EXT(dspname " Firmware", wm_adsp_fw_enum[num], \
157 		     wm_adsp_fw_get, wm_adsp_fw_put)
158 
159 extern const struct soc_enum wm_adsp_fw_enum[];
160 
161 int wm_adsp1_init(struct wm_adsp *dsp);
162 int wm_adsp2_init(struct wm_adsp *dsp);
163 void wm_adsp2_remove(struct wm_adsp *dsp);
164 int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component);
165 int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component);
166 int wm_halo_init(struct wm_adsp *dsp);
167 
168 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
169 		   struct snd_kcontrol *kcontrol, int event);
170 
171 int wm_adsp_early_event(struct snd_soc_dapm_widget *w,
172 			struct snd_kcontrol *kcontrol, int event);
173 
174 irqreturn_t wm_adsp2_bus_error(int irq, void *data);
175 irqreturn_t wm_halo_bus_error(int irq, void *data);
176 irqreturn_t wm_halo_wdt_expire(int irq, void *data);
177 
178 int wm_adsp_event(struct snd_soc_dapm_widget *w,
179 		  struct snd_kcontrol *kcontrol, int event);
180 
181 int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq);
182 
183 int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol,
184 			   struct snd_ctl_elem_value *ucontrol);
185 int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol,
186 			   struct snd_ctl_elem_value *ucontrol);
187 int wm_adsp_fw_get(struct snd_kcontrol *kcontrol,
188 		   struct snd_ctl_elem_value *ucontrol);
189 int wm_adsp_fw_put(struct snd_kcontrol *kcontrol,
190 		   struct snd_ctl_elem_value *ucontrol);
191 
192 int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream);
193 int wm_adsp_compr_free(struct snd_compr_stream *stream);
194 int wm_adsp_compr_set_params(struct snd_compr_stream *stream,
195 			     struct snd_compr_params *params);
196 int wm_adsp_compr_get_caps(struct snd_compr_stream *stream,
197 			   struct snd_compr_caps *caps);
198 int wm_adsp_compr_trigger(struct snd_compr_stream *stream, int cmd);
199 int wm_adsp_compr_handle_irq(struct wm_adsp *dsp);
200 int wm_adsp_compr_pointer(struct snd_compr_stream *stream,
201 			  struct snd_compr_tstamp *tstamp);
202 int wm_adsp_compr_copy(struct snd_compr_stream *stream,
203 		       char __user *buf, size_t count);
204 
205 #endif
206